There are
2,543 mi
from Simi Valley, CA to Zephyrhills, FL
That's the driving distance. It would take 1 day 20 hours to go from Simi Valley, California to Zephyrhills, Florida.
The flight distance (direct flight from Simi Valley, CA to Zephyrhills, FL) is 2,189.64 mi.
2,543 mi = 3.22 kms